By Mike Jordan; posted May 25, 2014 View Original: Click to zoom, then click to magnify (4320 x 3240) 1040KB
Shown are two reflector type mercury vapor lamps made by Sylvania. The larger lamp is a 400 watt, deluxe white lamp, and the other is a 175 watt lamp with a clear face and a deluxe white semi-reflector.